APA (7th ed.) Citation

SPENCE. (2006). The unofficial guide to Photoshop CS2. Wiley Pub. Inc,.

Chicago Style (17th ed.) Citation

SPENCE. The Unofficial Guide to Photoshop CS2. Indianapolis:: Wiley Pub. Inc,, 2006.

MLA (9th ed.) Citation

SPENCE. The Unofficial Guide to Photoshop CS2. Wiley Pub. Inc,, 2006.

Warning: These citations may not always be 100% accurate.